Dorman 604-706 HVAC Blend Door Actuator - Lower Main or Upper Main

Name: Dorman 604-706 HVAC Blend Door Actuator - Lower Main or Upper Main
Brand: Dorman
SKU: BKKY-604-706
Price: 39.41 USD
Availability: InStock

Lower Main

⚙️ 157 vehicles fit this part

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Select your vehicle to confirm fitment

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Chevrolet, GMC, and Cadillac, Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, Sierra 3500 HD, Yukon, Yukon XL, Escalade, Escalade ESV, Cheyenne, Silverado 1500, Silverado 2500, Silverado 3500, Suburban, Suburban 3500 HD, Tahoe, Sierra, and Sierra 1500

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Not what you need? Click here for all HVAC Blend Door Actuator options

Overview of Dorman HVAC Blend Door Actuator 604-706

The Dorman HVAC Blend Door Actuator 604-706 is designed for precise control of airflow temperature in select GM vehicles. This rotary switch actuator features a durable plastic construction and a 5-terminal male blade connector, ensuring reliable operation in Cadillac, Chevrolet, and GMC models.

Rotary switch activation type for accurate blend door positioning
5 male blade terminals for secure electrical connection
Durable plastic housing designed for HVAC system compatibility
Includes one air door actuator per package
Compatible with multiple GM trucks and SUVs including Chevrolet Silverado and GMC Sierra

Detailed Product Description

The Dorman 604-706 HVAC Blend Door Actuator is engineered to replace faulty or worn actuators in various Cadillac, Chevrolet, and GMC vehicles. Its rotary switch activation type allows for smooth and precise adjustment of the blend door, which regulates the mix of hot and cold air inside the HVAC system. The actuator features five male blade terminals, providing a stable and secure electrical connection to the vehicle’s wiring harness. Constructed from durable plastic, this actuator is built to withstand the temperature fluctuations and mechanical stresses typical in automotive HVAC systems. This part is compatible with a wide range of models including the Chevrolet Silverado 1500, Silverado 2500 HD, GMC Sierra 1500 Limited, Sierra 3500 HD, Cadillac Escalade, Yukon XL, and others.

Common Applications and Issues Resolved

Restores proper temperature control in HVAC systems
Eliminates inconsistent airflow or temperature fluctuations
Resolves blend door actuator clicking or failure noises
Fixes inability to switch between heating and cooling modes
Addresses HVAC system error codes related to actuator malfunction

Installation Notes and Tips

Ensure vehicle compatibility by verifying make, model, and year before installation
Disconnect the battery prior to actuator replacement to prevent electrical shorts
Access the blend door actuator behind the dashboard or glove box area as per vehicle service manual
Carefully disconnect the 5-terminal male blade connector before removing the old actuator
Test actuator operation after installation to confirm proper HVAC function

Quality Assurance and Warranty

Dorman HVAC Blend Door Actuators undergo rigorous quality control to meet OEM standards for fit and function. The 604-706 part number is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship. This ensures dependable performance and peace of mind when replacing HVAC components in Cadillac, Chevrolet, and GMC vehicles.

Brand	Dorman
Part Number	604-706
Material	Plastic
Package Contents	1 Air Door Actuator
Switch Activation Type	Rotary
Terminal Gender	Male
Terminal Quantity	5
Terminal Type	Blade

This part fits 157 vehicles. Search below:

Year	Make	Model	Position	Notes
2020	Cadillac	Escalade	Upper Main	Packaging Type: Box
2020	Cadillac	Escalade ESV	Upper Main	Packaging Type: Box
2020	Chevrolet	Tahoe	Lower Main	Packaging Type: Box
2020	GMC	Yukon	Lower Main	Packaging Type: Box
2020	GMC	Yukon XL	Lower Main	Packaging Type: Box
2019	Cadillac	Escalade	Upper Main	Packaging Type: Box
2019	Cadillac	Escalade ESV	Lower Main	Packaging Type: Box
2019	Chevrolet	Silverado 1500 LD	Lower Main	Packaging Type: Box
2019	Chevrolet	Silverado 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2019	Chevrolet	Silverado 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2019	Chevrolet	Silverado 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2019	Chevrolet	Silverado 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2019	Chevrolet	Suburban 3500 HD	Lower Main	Packaging Type: Box
2019	Chevrolet	Tahoe	Upper Main	Packaging Type: Box
2019	GMC	Sierra 1500 Limited	Lower Main	Packaging Type: Box
2019	GMC	Sierra 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2019	GMC	Sierra 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2019	GMC	Sierra 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2019	GMC	Sierra 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2019	GMC	Yukon	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2019	GMC	Yukon	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2019	GMC	Yukon XL	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2019	GMC	Yukon XL	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Cadillac	Escalade	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Cadillac	Escalade	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Cadillac	Escalade ESV	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Cadillac	Escalade ESV	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Cheyenne	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Cheyenne	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 2500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 2500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 3500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 3500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Silverado 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Suburban 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Suburban 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Tahoe	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	Chevrolet	Tahoe	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Sierra 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Yukon	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Yukon	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Yukon XL	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2018	GMC	Yukon XL	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Cadillac	Escalade	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Cadillac	Escalade	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Cadillac	Escalade ESV	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Cadillac	Escalade ESV	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Cheyenne	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Cheyenne	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 2500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 2500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 3500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 3500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Silverado 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Suburban 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Suburban 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Tahoe	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	Chevrolet	Tahoe	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Sierra 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Yukon	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Yukon	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Yukon XL	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2017	GMC	Yukon XL	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Cadillac	Escalade	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Cadillac	Escalade	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Cadillac	Escalade ESV	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Cadillac	Escalade ESV	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Cheyenne	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Cheyenne	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 2500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 2500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 3500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 3500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Silverado 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Suburban 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Suburban 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Tahoe	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	Chevrolet	Tahoe	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Sierra 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Yukon	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Yukon	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Yukon XL	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2016	GMC	Yukon XL	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Cadillac	Escalade	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Cadillac	Escalade	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Cadillac	Escalade ESV	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Cadillac	Escalade ESV	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Cheyenne	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Cheyenne	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 2500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 2500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 3500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 3500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Silverado 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Tahoe	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	Chevrolet	Tahoe	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra 2500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra 2500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra 3500 HD	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Sierra 3500 HD	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Yukon	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Yukon	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Yukon XL	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2015	GMC	Yukon XL	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2014	Chevrolet	Cheyenne	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2014	Chevrolet	Cheyenne	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2014	Chevrolet	Silverado 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2014	Chevrolet	Silverado 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2014	GMC	Sierra	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2014	GMC	Sierra	Upper Main	Temperature control HVAC blend door actuator for box packaging.
2014	GMC	Sierra 1500	Lower Main	Temperature control HVAC blend door actuator for box packaging.
2014	GMC	Sierra 1500	Upper Main	Temperature control HVAC blend door actuator for box packaging.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

22808876ADS4326

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.